1from PIL import Image, ImageDraw, ImageFont
 2import textwrap, os
 3
 4IMPACT_FONT_FILE = os.path.join("fonts", "impact.ttf")
 5BASE_WIDTH = 1200
 6LETTER_SPACING = 9
 7LINE_SPACING = 10  
 8FILL = (255, 255, 255)
 9STROKE_WIDTH = 9
10STROKE_FILL = (0, 0, 0)
11FONT_BASE = 100
12MARGIN = 10
13        
14def _draw_tt_bt(text, img, bottom=False):
15    split_caption = textwrap.wrap(text.upper(), width=20)
16    if split_caption == []:
17        return
18    font_size = FONT_BASE + 10 if len(split_caption) <= 1 else FONT_BASE
19    font = ImageFont.truetype(font=IMPACT_FONT_FILE, size=font_size)
20    img_width, img_height = img.size
21    
22    d = ImageDraw.Draw(img)
23    txt_height = d.textbbox((0, 0), split_caption[0], font=font)[3]
24    
25    if bottom:
26        factor = -1
27        split_caption.reverse()
28        y = (img_height - (img_height / MARGIN)) - (txt_height / 2)
29    else:
30        factor = 1
31        y = ((img_height / MARGIN)) - (txt_height / 1.5)
32    
33    for line in split_caption:
34        txt_width = d.textbbox((0, 0), line, font=font)[2]
35        
36        x = (img_width - txt_width - (len(line) * LETTER_SPACING))/2
37
38        for i in range(len(line)):
39            char = line[i]
40            width = font.getlength(char)
41            d.text((x, y), char, fill=FILL, stroke_width=STROKE_WIDTH, font=font, stroke_fill=STROKE_FILL)
42            x += width + LETTER_SPACING
43        
44        y = y + (txt_height + LINE_SPACING) * factor
45
46def tt_bt_effect(text, img):
47    lines = [x for x in text.split("\n") if x]
48    
49    tt = lines[0] if len(lines) > 0 else None
50    bt = lines[1] if len(lines) > 1 else None
51    
52    img = img.resize((BASE_WIDTH, int(img.size[1] * float(BASE_WIDTH / img.size[0]))))
53    
54    if tt is None and bt is None:
55        return img
56    
57    if (tt is not None):
58        _draw_tt_bt(tt, img)
59    if (bt is not None):
60        _draw_tt_bt(bt, img, bottom=True)
61        
62    h_size = int(float(img.size[1]) * (BASE_WIDTH/2) / img.size[0])
63    img = img.resize((int(BASE_WIDTH/2), h_size))
64    
65    if img.mode in ("RGBA", "P"):
66        img = img.convert("RGB")
67    
68    return img
69
70def image_test():
71    image = Image.open("image.jpg")
72    #image, url = get_random_image()
73    
74    res = tt_bt_effect("top text\nbottom text", image)
75    res.save('./output.jpg', optimize=True, quality=80)
76    
77    print("Image test successful")
78    
79if __name__ ==  "__main__":
80    #main()
81    image_test()